Color

#81abb1

#81abb1
hex#81abb1
rgbrgb(129, 171, 177)
hslhsl(188, 24%, 60%)
oklchoklch(0.713 0.046 207.1)
Closest name: Pewter (#8ba8b7)Relative luminance 0.3697

Colors that go with #81abb1

Charcoal, Dark Salmon and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #81abb1

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b18781

#81b1a0 · #8192b1

#b181ab · #abb181

Split-complementary

Open in tool →

#b18192 · #b1a081

#a081b1 · #b18781 · #92b181

Contrast

#81abb1 as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #4f7b82 as the text (4.68:1)
  • AAA: use #3c5d62 as the text (7.16:1)
  • AA: or shift the background to #383838 (4.69:1)
  • AAA: or shift the background to #171717 (7.17:1)
Aaon black
8.39:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81abb1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #81abb1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81abb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81abb1-a2b7be-df4e81-1f252d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md